导出

app/services/export_shixun_report_service.rb

@@ -43,6 +43,7 @@ class ExportShixunReportService
     @user   = @work.user
     @shixun = homework.shixuns.take
     @games  = @work.myshixun.games.includes(:challenge, :game_codes,:outputs) if @work.myshixun
+    @challenges = @shixun.challenges if @shixun
 
     # 用户最大评测次数
     @user_evaluate_count = @games.pluck(:evaluate_count).sum if @games